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Imprinting localized plasmons for enhanced solar cells

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2012

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Dunbar, Ricky B.
Lal, Niraj N.
Baumberg, Jeremy J.

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Nanotechnology. 2012, 23(38), 385202. ISSN 0957-4484. eISSN 1361-6528. Available under: doi: 10.1088/0957-4484/23/38/385202

Zusammenfassung

Imprinted silver nanovoid arrays are investigated via angle-resolved reflectometry to demonstrate their suitability for plasmonic light trapping. Both wavelength- and subwavelength-scale nanovoids are imprinted into standard solar cell architectures to achieve nanostructured metallic electrodes which provide enhanced absorption for improving solar cell performance. The technique is versatile, low-cost and scalable and can be applied to a wide range of organic semiconductors. Absorption features which are independent of incident polarization and weakly dependent on incident angle reveal localized plasmonic modes at the structured interface. Metallic nanostructure–PCPDTBT:PCBM samples demonstrate absorption enhancements of up to 40%. The structured interface provides light trapping, which boosts absorption at wavelengths where the semiconductors absorb poorly.

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530 Physik

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ISO 690DUNBAR, Ricky B., Thomas PFADLER, Niraj N. LAL, Jeremy J. BAUMBERG, Lukas SCHMIDT-MENDE, 2012. Imprinting localized plasmons for enhanced solar cells. In: Nanotechnology. 2012, 23(38), 385202. ISSN 0957-4484. eISSN 1361-6528. Available under: doi: 10.1088/0957-4484/23/38/385202
BibTex
@article{Dunbar2012-09-28Impri-21761,
  year={2012},
  doi={10.1088/0957-4484/23/38/385202},
  title={Imprinting localized plasmons for enhanced solar cells},
  number={38},
  volume={23},
  issn={0957-4484},
  journal={Nanotechnology},
  author={Dunbar, Ricky B. and Pfadler, Thomas and Lal, Niraj N. and Baumberg, Jeremy J. and Schmidt-Mende, Lukas},
  note={Article Number: 385202}
}
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